Re: hilighting

[lynch@ils.nwu.edu]

>I'm trying to figure out how to hilight an object using the hilite
>mode described in IM V, 61-62.  It says:
>
>"There are two ways to use hilite mode.  The easiest is to call
>
>    BitClr (Ptr(HiliteMode,pHiliteBit))
>
>just before calling InvertRect..."
>
>On the next page it says:
>
>"The constants used with hilite mode are listed below:
>
>  CONST
>    hilite     = 50;
>    pHiliteBit = 0;"
>
>
>Well, I couldn't figure this out, so I searched files for "hilite" and
>found this example, in MCL:library:Inspector
>Folder:inspector-window.lisp:
>
>; Invert a region using the highlight color (see Inside Mac V-62).
>(defun %invert-region (rgn)
>  (with-macptrs ((hiliteMode (%int-to-ptr #x938)))
>    (%put-byte hiliteMode (logand #x7f (%get-byte hiliteMode))))
>  (#_InvertRgn :ptr rgn))
>
>
>The connection between this code and what IM-V says could use some
>hilighting!